On Thu, Nov 22, 2012 at 08:34:06PM -0800, Keith Keller wrote: > On 2012-11-23, Dave Chinner <david@xxxxxxxxxxxxx> wrote: > > That's a side effect of a minimal set of bug fixes that were needed > > to avoid a load related log space hang. Those fixes disabled the > > aild idling logic so the aild acts as a watchdog, so they wake up > > every 50ms to check if there's anything to do. You'll find that > > 3.0.x stable kernels have the same behaviour. > > > > The aild idling logic was re-enabled in mainstream kernels after the > > root cause of the log space hangs was diagnosed and fixed, but I > > can't see it ever being re-enabled in a CentOS 6.3 kernel.... > > Thanks for the clarification, Dave. It sounds like I would need to > either wait for this fix to hit the CentOS release kernel, or compile my > own. Do whatever you want - you might be waiting a while for CentOS to fix it, though, because they don't fix user reported bugs. They just repackage whatever Red Hat releases as RHEL. TANSTAAFL. > Do you know why I might not see this behavior on a different CentOS 6.x > kernel? > > Linux xxxxxx 2.6.32-279.5.2.el6.x86_64 #1 SMP Fri Aug 24 01:07:11 UTC 2012 x86_64 x86_64 x86_64 GNU/Linux Because the log hang bug hadn't been fixed in that kernel. Cheers, Dave. -- Dave Chinner david@xxxxxxxxxxxxx _______________________________________________ xfs mailing list xfs@xxxxxxxxxxx http://oss.sgi.com/mailman/listinfo/xfs